CN211291884U

CN211291884U - Gas circuit gas tightness detection device

Info

Publication number: CN211291884U
Application number: CN202020306632.1U
Authority: CN
Inventors: 刘瑞川
Original assignee: Aoqi Hydraulic Technology Tianjin Co ltd
Current assignee: Aoqi Hydraulic Technology Tianjin Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-08-18
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses a gas circuit gas tightness detection device, which belongs to the technical field of gas tightness detection, and comprises a detection table, a driving pipe and a box body are respectively installed at the top of the detection table, a piston is slidably installed in the driving pipe, one side of the piston is connected with a horizontal rod horizontally arranged, the top of one end of the driving pipe is connected with an air inlet pipe, a positioning block is installed on the inner wall of the air inlet pipe, the bottom of the positioning block is connected with a vertical spring vertically arranged, the bottom of the vertical spring is connected with a left blocking ball, the left blocking ball is pressed against the bottom of the air inlet pipe, one end of the driving pipe is connected with an air outlet pipe horizontally arranged, one end of the air outlet pipe extends into the; the utility model discloses the realization detects the gas tightness of gas circuit, and the gas tightness of gas circuit is gone out in test that can be quick, and convenient operation, improves the efficiency that detects, and is rational in infrastructure, easily promotes.

Description

Gas circuit gas tightness detection device

Technical Field

The utility model belongs to the technical field of the gas tightness detects, concretely relates to gas circuit gas tightness detection device.

Background

In modern laboratories, in order to complete experiments, a variety of analytical instruments such as a gas chromatograph, an atomic absorption spectrometer, a gas-mass spectrometer, an ICP, etc. are required, wherein the instruments require high-purity gas, a traditional method is to use a mode of decentralized gas supply by independent cylinders, each instrument in the gas supply mode is individually configured with a gas cylinder to respectively satisfy the use of each instrument, but with the increasing of laboratory investment in recent years, the rapid increase of instruments and equipment and the increase of gas consumption year by year, the traditional gas supply mode has difficulty in satisfying the increasing demand of instruments and equipment, the layout of the laboratory is disordered due to the decentralized gas supply mode, the frequent replacement of cylinders also causes difficulty in the management and maintenance of the laboratory, and in order to solve the above two problems, a set of system which can realize centralized gas supply distribution is required to complete gas supply from a gas source to the instruments, this is the function of the laboratory high purity gas piping system.

In the published patent No. CN202066654U reference, the operation of detecting the air tightness is complicated, and it is inconvenient to detect the air tightness, so an air tightness detecting device is required to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas circuit gas tightness detection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a gas circuit gas tightness detection device comprises a detection table, wherein a driving pipe and a box body are respectively installed at the top of the detection table, a piston is installed in the driving pipe in a sliding mode, a horizontally arranged cross rod is connected to one side of the piston, an air inlet pipe is connected to the top of one end of the driving pipe, a positioning block is installed on the inner wall of the air inlet pipe, a vertically arranged vertical spring is connected to the bottom of the positioning block, a left blocking ball is connected to the bottom of the vertical spring and abuts against the bottom of the air inlet pipe, a horizontally arranged air outlet pipe is connected to one end of the driving pipe, one end of the air outlet pipe extends into the box body, a fixing block is fixedly installed in the air outlet pipe and is connected with a horizontally arranged horizontal spring, a right blocking ball is connected to one end of the horizontal spring and located at one end of the air outlet pipe, the riser is installed at the one end top of examining test table, and movable mounting has the sealing plug on the riser, examines the top slidable mounting of test table and has the movable block, and the movable block is connected with the one end transmission that the piston was kept away from to the horizontal pole.

As a preferred embodiment, a horizontal rod is slidably mounted on the vertical plate, one end of the horizontal rod is fixedly connected with the sealing plug, the other end of the horizontal rod penetrates through the vertical plate and is fixedly connected with a connecting rod vertically arranged, a push rod motor is mounted on the vertical plate, and a push rod of the push rod motor is fixedly connected with the connecting rod.

As a preferred embodiment, the top of the detection table is provided with a chute, a horizontally arranged guide rod is installed in the chute, the movable block is slidably sleeved on the guide rod, a horizontally arranged reciprocating screw rod is rotatably installed in the chute, the reciprocating screw rod is in threaded connection with the movable block, a handle is rotatably installed on the detection table, and the handle is in transmission connection with the reciprocating screw rod.

In a preferred embodiment, the cross section of the inlet pipe and the outlet pipe is a circular structure, the inner diameter of the left blocking ball is larger than that of the inlet pipe, and the diameter of the right blocking ball is larger than that of the outlet pipe.

As a preferred embodiment, a positioning plate is mounted at the top of the movable block, and the positioning plate is fixedly connected with one end of the cross rod, which is far away from the piston.

As a preferred embodiment, a cylindrical hole is formed in one side of the detection table, a bearing is arranged in the cylindrical hole, and the handle is fixedly connected with an inner ring of the bearing.

Compared with the prior art, the beneficial effects of the utility model are that:

through the piston at the intraductal back and forth movement of drive, when the piston moves left, make external air current get into in the drive tube, the piston moves right, make the air current in the piston promotion drive tube make the right side block up the ball to the one end motion of keeping away from the outlet duct to the outlet duct motion, the import of air current from box and conveyer pipe discharge gas circuit, inflate for the gas circuit, when inflating and not advancing, it is full to demonstrate the inside play gas of gas circuit, there is not the place of gas leakage, when gas leakage appears, when the gas tightness is not good, can inflate all the time to the gas circuit in, realize the detection to the gas circuit, it is convenient to detect.

The handle drives the reciprocating screw rod to rotate so that the movable block reciprocates back and forth on the guide rod, the movable block drives the positioning plate and the transverse rod to move to realize the back and forth movement of the piston, the movement driving of the piston is realized, and the operation is convenient.

The utility model discloses the realization detects the gas tightness of gas circuit, and the gas tightness of gas circuit is gone out in test that can be quick, and convenient operation, improves the efficiency that detects, and is rational in infrastructure, easily promotes.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural diagram of the present invention.

In the figure: 1. a detection table; 2. a drive tube; 3. a box body; 4. a piston; 5. a cross bar; 6. an air inlet pipe; 7. positioning blocks; 8. a vertical spring; 9. a left blocking ball; 10. an air outlet pipe; 11. a fixed block; 12. a horizontal spring; 13. a right blocking ball; 14. a delivery pipe; 15. a vertical plate; 16. a push rod motor; 17. a sealing plug; 18. a handle; 19. a movable block; 20. positioning a plate; 21. and a reciprocating screw rod.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the utility model provides a gas circuit airtightness detection device, which comprises a detection table 1, a driving tube 2 and a box body 3 are respectively installed on the top of the detection table 1, a piston 4 is installed in the driving tube 2 in a sliding manner, a horizontally arranged cross rod 5 is connected on one side of the piston 4, an air inlet tube 6 is connected on the top of one end of the driving tube 2, a positioning block 7 is installed on the inner wall of the air inlet tube 6, the bottom of the positioning block 7 is connected with a vertically arranged vertical spring 8, the bottom of the vertical spring 8 is connected with a left blocking ball 9, the left blocking ball 9 is pressed against the bottom of the air inlet tube 6, one end of the driving tube 2 is connected with a horizontally arranged air outlet tube 10, one end of the air outlet tube 10 extends into the box body 3, a fixing block 11 is fixedly installed in the air outlet tube 10, the fixing block, the right blocking ball 13 is positioned at one end of the air outlet pipe 10, the cross sections of the air inlet pipe 6 and the air outlet pipe 10 are of circular structures, the inner diameter of the left blocking ball 9 is larger than that of the air inlet pipe 6, and the diameter of the right blocking ball 13 is larger than that of the air outlet pipe 10. A conveying pipe 14 which is horizontally arranged is installed on one side of the box body 3, which is far away from the air outlet pipe 10, a vertical plate 15 is installed at the top of one end of the detection platform 1, and a sealing plug 17 is movably installed on the vertical plate 15 (see fig. 1 and 2); through piston 4 round trip movement in driving tube 2, when piston 4 left motion, make external air current get into in the driving tube 2, piston 4 right motion, make the air current in the piston 4 promotion driving tube 2 make the right side block up ball 13 to the one end motion of keeping away from outlet duct 10 to the motion of outlet duct 10, the import of air current from box 3 and conveyer pipe 14 exhaust gas circuit, inflate for the gas circuit, when inflating and not advancing, it is full to explain the inside play gas of gas circuit, there is not the place of gas leakage, when gas leakage appears, when the gas tightness is not good, can inflate all the time in the gas circuit, realize the detection to the gas circuit, it is convenient to detect.

The top of the detection table 1 is provided with a movable block 19 in a sliding manner, and the movable block 19 is in transmission connection with one end of the cross rod 5 far away from the piston 4 (see fig. 1 and 2); the handle 18 drives the reciprocating screw rod 21 to rotate, so that the movable block 19 reciprocates back and forth on the guide rod, the movable block 19 drives the positioning plate 20 and the cross rod 5 to move, the back and forth movement of the piston 4 is realized, the movement driving of the piston 4 is realized, and the operation is convenient.

A horizontally arranged cross rod is slidably mounted on the vertical plate 15, one end of the cross rod is fixedly connected with the sealing plug 17, the other end of the cross rod penetrates through the vertical plate 15 and is fixedly connected with a vertically arranged connecting rod, a push rod motor 16 is mounted on the vertical plate 15, and a push rod of the push rod motor 16 is fixedly connected with the connecting rod (see fig. 1 and 2); the push rod motor 16 drives the connecting rod to move to drive the cross rod to move, so that the sealing plug 17 moves, and the sealing plug 17 blocks the air outlet of the air passage.

The top of the detection table 1 is provided with a sliding chute, a guide rod which is horizontally arranged is installed in the sliding chute, the movable block 19 is sleeved on the guide rod in a sliding mode, a reciprocating screw rod 21 which is horizontally arranged is installed in the sliding chute in a rotating mode, the reciprocating screw rod 21 is in threaded connection with the movable block 19, a handle 18 is installed on the detection table 1 in a rotating mode, and the handle 18 is in transmission connection with the reciprocating screw rod 21. One side of the detection table 1 is provided with a cylindrical hole, a bearing is arranged in the cylindrical hole, and the handle 18 is fixedly connected with an inner ring of the bearing. A positioning plate 20 is mounted at the top of the movable block 19, and the positioning plate 20 is fixedly connected with one end of the cross rod 5 far away from the piston 4 (see fig. 1 and 3); the handle 18 drives the reciprocating screw rod 21 to rotate, so that the movable block 19 reciprocates back and forth on the guide rod, the movable block 19 drives the positioning plate 20 and the cross rod 5 to move, the back and forth movement of the piston 4 is realized, the movement driving of the piston 4 is realized, and the operation is convenient.

When the air inlet pipe is used, the air inlet of the air passage is connected with the conveying pipe 14, the connecting rod is driven by the push rod motor 16 to move to drive the cross rod to move, so that the sealing plug 17 moves, the air outlet of the air passage is blocked by the sealing plug 17, the piston 4 moves back and forth in the driving pipe 2, when the piston 4 moves leftwards, the pressure in the driving pipe 2 is reduced, the external pressure is higher than the pressure in the driving pipe 2, so that the external air flow pushes the left blocking ball 9 to move downwards, the left blocking ball 9 is separated from the bottom of the air inlet pipe 6, so that the external air flow enters the driving pipe 2, after the driving pipe 2 has the same pressure as the external pressure, the left blocking ball 9 is pulled by the vertical spring 8, the left blocking ball 9 rises to block the air inlet pipe 6, then the piston 4 moves rightwards, so that the piston 4 pushes the air flow in the driving pipe 2 to move towards, the air current is from the import of box 3 and conveyer pipe 14 row air circuit, inflates for the air circuit, when inflating and not inflating into, explains that the inside play gas of air circuit is full, does not have the place of gas leakage, when gas leakage appears, when the gas tightness is not good, can inflate all the time to the air circuit in, realizes the detection to the air circuit, and it is convenient to detect. The handle 18 drives the reciprocating screw rod 21 to rotate, so that the movable block 19 reciprocates back and forth on the guide rod, the movable block 19 drives the positioning plate 20 and the cross rod 5 to move, the back and forth movement of the piston 4 is realized, the movement driving of the piston 4 is realized, and the operation is convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gas circuit gas tightness detection device, is including examining test table (1), its characterized in that: the detection device is characterized in that a driving pipe (2) and a box body (3) are respectively installed at the top of the detection table (1), a piston (4) is installed in the driving pipe (2) in a sliding mode, a horizontal rod (5) horizontally arranged is connected to one side of the piston (4), an air inlet pipe (6) is connected to the top of one end of the driving pipe (2), a positioning block (7) is installed on the inner wall of the air inlet pipe (6), a vertical spring (8) vertically arranged is connected to the bottom of the positioning block (7), a left blocking ball (9) is connected to the bottom of the vertical spring (8), the left blocking ball (9) is pressed to the bottom of the air inlet pipe (6), an air outlet pipe (10) horizontally arranged is connected to one end of the driving pipe (2), one end of the air outlet pipe (10) extends into the box body (3), a fixing block (11) is fixedly installed in the air outlet pipe (, the one end of horizontal spring (12) is connected with right side and blocks up ball (13), blocks up the one end that ball (13) are located outlet duct (10) on the right side, conveyer pipe (14) that the level set up are installed to one side that outlet duct (10) were kept away from in box (3), and riser (15) are installed at the one end top of examining test table (1), and movable mounting has sealing plug (17) on riser (15), and the top slidable mounting who examines test table (1) has movable block (19), and movable block (19) are connected with the one end transmission that piston (4) were kept away from in horizontal pole (5).

2. The gas circuit airtightness detection device according to claim 1, wherein: the horizontal pole that the level set up is gone up slidable mounting in riser (15), the one end and sealing plug (17) fixed connection of horizontal pole, and the other end of horizontal pole runs through the connecting rod of the vertical setting of riser (15) and fixedly connected with, install push rod motor (16) on riser (15), the push rod and the connecting rod fixed connection of push rod motor (16).

3. The gas circuit airtightness detection device according to claim 1, wherein: the top of examining test table (1) has been seted up the spout, installs the guide arm that the level set up in the spout, and movable block (19) slip cap is located on the guide arm, and reciprocal lead screw (21) that the level set up are installed to the spout internal rotation, reciprocal lead screw (21) and movable block (19) threaded connection, examine to rotate on test table (1) and install handle (18), handle (18) and reciprocal lead screw (21) transmission are connected.

4. The gas circuit airtightness detection device according to claim 1, wherein: the cross-section of intake pipe (6) and outlet duct (10) is circular structure, the internal diameter that blocks up ball (9) on a left side is greater than the internal diameter of intake pipe (6), the diameter that blocks up ball (13) on the right side is greater than the internal diameter of outlet duct (10).

5. The gas circuit airtightness detection device according to claim 1, wherein: a positioning plate (20) is installed at the top of the movable block (19), and the positioning plate (20) is fixedly connected with one end, far away from the piston (4), of the cross rod (5).

6. The gas circuit airtightness detection device according to claim 1, wherein: one side of the detection table (1) is provided with a cylindrical hole, a bearing is arranged in the cylindrical hole, and the handle (18) is fixedly connected with an inner ring of the bearing.